发明名称 Magnetiske, metalliske sikkerhedstråde med negativskrift
摘要 <p>The invention relates to a security document, in particular a bank note, identity card or the like, having a security element which is provided with characters, patterns, etc., visually readable at least in transmitted light and which is electrically conductive and bears additional substances for machine testing, and to a method for producing such a security element. The security element preferably consists of a transparent film strip that bears negative writing readily capable of visual checking and is additionally provided with electrically conductive and magnetic substances.</p>
申请公布号 DK0516790(T3) 申请公布日期 1997.03.17
申请号 DK19920901408T 申请日期 1991.12.18
申请人 GAO GESELLSCHAFT F 发明人 KAULE, WITTICH;BOEHM, MICHAEL
分类号 B42D15/00;B42D25/355;(IPC1-7):B42D15/00 主分类号 B42D15/00
代理机构 代理人
主权项
地址